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New ANSI Standards for Root Management

TCIA, a public and professional resource for trees and arboriculture, has announced new root management standards by ANSI.

The Tree Care Industry Association has announced new root management standards by the American National Standards Institute (ANSI). The approved, ANSI A300 (Part 8)-2013 root management standard seeks to improve the quality, life expectancy, and safety of trees by promoting and facilitating the care of roots.

The A300 Part 8 standard is a guide to writing good specifications on work, such as the following:

• Trenching near a tree
• Root pruning to mitigate tripping hazards and infrastructure damage
• Managing stem-girdling and stem-circling roots

ANSI A300 standards are considered the final authority in civil courts and by most dispute arbitration systems. This A300 Part 8 standard takes precedence in the USA over previous tree care management standards and guidelines.

For more information about these standards and details on how they can be ordered through TCIA, contact Bob Rouse, Vice President of Industry Standards & Credentialing, at 800-733-2622 or To learn more about TCIA, please visit

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December 14, 2019, 8:05 am PDT

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